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Shyena
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Type
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Lightweight Torpedo
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Place of origin
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 India
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Service history
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Used by
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Indian Navy
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Production history
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Designer
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Naval Science and Technological Laboratory
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Manufacturer
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Bharat Dynamics Limited
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Produced
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March 2012
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Number built
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25
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Specifications
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Weight
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220 kg
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Length
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2750 mm
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Diameter
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324 mm
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Warhead
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high explosive
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Warhead weight
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50 kg
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Engine
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Electric
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Operational
range
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7 km
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Maximum depth
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540 m
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Speed
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33 knots
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Launch
platform
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Ships, helicopters and submarines
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The Advanced Light Torpedo (TAL) Shyena is the first indigenous advanced lightweight anti-submarine torpedo of India, developed by Naval Science and Technological Laboratory of the DRDO for the Indian Navy.[1][2]
Introduction
Shyena is a processor based torpedo which incorporates solid-state electronics, digital technology and has been equipped with an integrated Active/Passive sensor package for homing. It is designed to be capable of launching from both a helicopter or from a triple-tube launcher on surface vessels. Its key design feature are maneuverability and ability to transition from warm to cold medium to ensure a hunt and kill.[1][2] The development period of the torpedo was quite long, starting in the 1990s, and was inducted into the Indian Navy on March 3, 2012, when the Indian Defence Minister A.K. Antony handed over the first consignment of TAL to the Navy in Hyderabad in March 3.[2]
Design and development
Development of this missile was started by the Naval Science and Technological Laboratory (NSTL) in 1990s, under the Advanced Experimental Torpedo (TAE) program.[2][3] It is an advanced capability torpedo and is heavily based on the Whitehead A244S torpedo.[1] NSTL had faced an difficult task of developing a torpedo which could sustain its efficiency, in particular the maneuverability and structural integrity while travelling from the air medium to water after being launched from air. The computers perform their respective tasks, which are the successful launch of the torpedo, the homing of the target and its control and finally the recording of the data for analysis.[1]
Shyena is electrically propelled, and can target submarines with a speed of 33 knots with endurance of six minutes in both shallow and deep waters. It can operate at depths of a few hundred meters and has self-homing, i.e it can home in on targets by passive/active homing and explode on impact. Once launched, it can perform pre-programmed search patterns for available targets. The torpedo weighs around 220 kg.[2]
Deployment
By 1998, Shyena was ready for trials, and it was tested 24 times by the NSTL from 1998 to 2000. During trials, thrust was laid on monitoring of various factors through four computers fitted on board Shyena.[3] User evaluation tests with designed and engineered models of the TAL took place in 2003-2005, following which the Navy was convinced of the system's capabilities, and the fact that 95 per cent of the components were indigenous except a few integrated circuits and sensors, and ordered 25 units, and is likely to order more. The TAL is currently being manufactured by Bharat Dynamics Limited at its Visakhapatnam unit.[2][4]
Coverage
In his book "Naval Institute Guide to Combat Fleets of the World: Their Ships, Aircraft, and Systems", Eric Wertheim has described the Shyena as an up and coming torpedo developed by the DRDO.[5]
Pursuit and Promotion of Science, a report published by Indian National Science Academy mentions Shyena as an advanced experimental torpedo.[6]
See also
References
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^ a b c d Austin Joseph (January–February 2001). "Modern Torpedoes And Countermeasures". BHARAT RAKSHAK MONITOR Volume 3(4). Retrieved 2012-02-20.
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^ a b c d e f "Indian Navy to receive Indigenous Light Torpedo SHYENA". SPS Naval Forces. Retrieved 13 January 2013.
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^ a b Vishwanath Hiremathpune (1997). "Indian Navy's own torpedo `Shyena' ready for trials". The Indian Express. Retrieved 2012-02-20.
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^ T. S. Subramanian (2012-03-02). "Torpedo, Akash missile to be handed over to Navy and IAF on Saturday". The Hindu. Retrieved 2013-04-05.
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^ Eric Wertheim (March 2007). Naval Institute Guide to Combat Fleets of the World: Their Ships, Aircraft, and Systems. Naval Institute Press. p. 288.
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^ "31 Defence Research and Development Organisation", Pursuit and Promotion of Science : The Indian Experience,
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Aeronautics
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Avionics
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Other HAL programs
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Unmanned aerial vehicles
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Indigenization efforts
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G-suits, flight suits overalls, helmets, oxygen masks, gloves and automatic inflatable life jackets
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Armaments
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Small arms
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Artillery systems and ammunition
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Armoured fighting
vehicles
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Tanks
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Infantry fighting vehicle
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Other vehicles
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Electronics and
Computer Sciences
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Electronic warfare
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Radars
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Software
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Missile systems
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Bombs
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People
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Engines
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Important programs
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